The narrator, the Judge, 
The narrator, the Judge, and Yuba Bill meet the paralyzed Jim in this man's short story Miggles, and the title character of another work attends his friend's trial and execution after returning to Sandy Bar.  In addition to Tennessee's Partner and The Idyll of Red Gulch, this man collaborated with Mark Twain on Ah Sin and wrote a short story in which Uncle Billy, Mother Shipton, the Duchess, and John Oakhurst are the title characters.  For 10 points, identify the author of The Luck of Roaring Camp and The Outcasts of Poker Flat.
The narrator, the Judge, and Yuba Bill meet the paralyzed Jim in this man's short story Miggles, and the title character of another work attends his friend's trial and execution after returning to Sandy Bar.  
Francis Bret {Harte}